Fluid working machine



FIG. 1 is a front view of a fluid working machine comprising a new, original and ornamental design;

FIG. 2 is a right-hand side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-hand side view thereof;

FIG. 5 is a front, right-hand side, top perspective view thereof; and,

FIG. 6 is a left-hand side, front, top perspective view thereof.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

CLAIM The ornamental design for a fluid working machine, substantially as shown. 